64 lines
957 B
C++
64 lines
957 B
C++
A classical stack operation using a string of characters.
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#include <iostream>
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#include <string.h>
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using namespace std;
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#define maxlen 80
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class stack {
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char str1[maxlen];
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int first;
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public:
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void clear(void);
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char top(void);
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int empty(void);
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int full(void);
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void push(char chr);
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char pop(void);
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};
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void stack::clear(void)
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{
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first=0;
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}
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char stack::top(void)
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{
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return (str1[first]);
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}
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int stack::empty(void)
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{
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return (first==0);
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}
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int stack::full(void)
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{
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return (first==maxlen-1);
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}
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void stack::push(char chr)
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{
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str1[++first]=chr;
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}
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char stack::pop(void)
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{
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return (str1[first-1]);
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}
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main( )
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{
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stack mystack;
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char str[11]="0123456789";
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mystack.clear( );
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for(int i=0; (int) i<strlen(str);i++) {
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if (!mystack.full( ))
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mystack.push(str[i]);
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cout << str[i] << endl;
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}
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while (!mystack.empty( ))
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cout << mystack.pop( ) << endl;
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return (0);
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}
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